Waste peeling apparatus

Abstract

A waste peeling apparatus for separating the waste part of a continuous web material where a peeling member is positioned skewed to the direction of travel of the web.

Having described the invention, what is claimed is:  
     
       1. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web; and  
       a waste matrix guide member positioned laterally sideways from an edge of the web, wherein the waste matrix guide member is positioned below a plane in which the web travels, the waste matrix peeler being positioned above the plane in which the web travels.  
     
     
       2. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web;  
       a waste matrix guide member positioned laterally sideways from an edge of the web; and  
       means for wrapping the waste matrix more than 180° around the waste matrix peeler, wherein the means for wrapping comprises:  
       at least one roller, over which the waste matrix travels after traveling around the waste matrix peeler, the at least one roller being positioned below a plane in which the web travels; and  
       the waste matrix peeler being positioned above the plane in which the web travels.  
     
     
       3. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web; and  
       a waste matrix guide member positioned laterally sideways from an edge of the web, wherein the waste matrix peeler comprises: a first peeler member having a first cross-sectional size; and a second peeler member positioned proximate the first peeler member, the second peeler member having a second cross-sectional size, the second cross-sectional size being larger than the first cross-sectional size, the waste matrix traveling over the first peeler member prior to traveling over the second peeler member.  
     
     
       4. The stripper according to  claim 3 , wherein the second peeler member is positioned vertically above the first peeler member. 
     
     
       5. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web; and  
       a waste matrix guide member positioned laterally sideways from an edge of the web; and  
       means for maintaining tension on the waste matrix after separation, wherein the means for maintaining tension comprises: a waste matrix driver for driving the waste matrix, the waste matrix driver driving the waste matrix only at the edges of the waste matrix.  
     
     
       6. The stripper according to  claim 5 , wherein the waste matrix driver comprises two drive rollers positioned against a first side of the waste matrix and a drive roller positioned against a second side of the waste matrix. 
     
     
       7. The stripper according to  claim 5 , further comprising: 
       a waste matrix take-up device; and  
       a means for isolating tension from the waste matrix take-up device from the waste matrix contacting the waste matrix peeler.  
     
     
       8. The stripper according to  claim 7 , wherein the means for isolating tension comprises a pair of rollers, one roller contacting a first side of the waste matrix, the other roller contacting the second side of the waste matrix, one roller being driven, the other roller being freely rotatable, the rollers being between the waste matrix peeler and the waste matrix take-up device. 
     
     
       9. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix reeler positioned at a skewed angle to the direction of travel of the web;  
       means for adjusting the angle between an axis of the waste matrix peeler and an axis of the waste matrix guide member; and  
       a waste matrix guide member positioned laterally sideways from an edge of the web, wherein one and only one of the waste matrix peeler and the waste matrix guide member is pivotable.  
     
     
       10. The stripper according to  claim 9 , further comprising: 
       means for wrapping the waste matrix more than 180 20   around the waste matrix peeler.  
     
     
       11. The stripper according to  claim 10 , wherein the means for wrapping comprises: 
       a waste matrix take-up device for rolling the waste matrix into a roll, the waste matrix take-up device being position below a plane in which the web travels; and  
       the waste matrix peeler being positioned above the plane in which the web travels.  
     
     
       12. The stripper according to  claim 9 , further comprising: 
       a means for maintaining tension on the waste matrix after separation.  
     
     
       13. The stripper according to  claim 9 , wherein the skewed angle between the waste matrix peeler and a line perpendicular to the direction of travel of the web is fixed. 
     
     
       14. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web;  
       a waste matrix guide member positioned laterally sideways from an edge of the web;  
       a waste take-up device for rolling the waste matrix into a roll; and  
       a drive roller for rotating the waste take-up device, the drive roller being in contact with the waste matrix rolled about the waste take-up device.  
     
     
       15. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a first waste matrix peeler having a first cross-sectional size; and  
       a second waste matrix peeler positioned proximate the first waste matrix peeler, the second waste matrix peeler having a second cross-sectional size, the second cross-sectional size being larger than the first cross-sectional size, the waste matrix traveling over the first waste matrix peeler prior to traveling over the second waste matrix peeler, wherein the first and second waste matrix peelers are stationary.  
     
     
       16. The stripper according to  claim 15 , wherein the first and second waste matrix peelers are positioned at the same skewed angle to the direction of travel of the web. 
     
     
       17. The stripper according to  claim 15 , wherein the first and second waste matrix peelers have circular cross-sections. 
     
     
       18. The stripper according to  claim 15 , wherein the first and second waste matrix peelers are rotatable. 
     
     
       19. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a first waste matrix peeler having a first cross-sectional size; and  
       a second waste matrix peeler positioned proximate the first waste matrix peeler, the second waste matrix peeler having a second cross-sectional size, the second cross-sectional size being larger than the first cross-sectional size, the waste matrix traveling over the first waste matrix peeler prior to traveling over the second waste matrix peeler, wherein one of the first and second waste matrix peelers is stationary and the other of the first and second waste matrix peelers is rotatable.  
     
     
       20. The stripper according to  claim 19 , wherein the first and second waste matrix peelers are positioned at the same skewed angle to the direction of travel of the web. 
     
     
       21. The stripper according to  claim 19 , wherein the first and second waste matrix peelers have circular cross-sections. 
     
     
       22. The stripper according to  claim 19 , wherein the first and second waste matrix peelers are rotatable. 
     
     
       23. A waste matrix handling system for driving a waste matrix separated from a moving web comprising: 
       a waste matrix driver for driving the waste matrix, the waste matrix driver driving the waste matrix only at the edges of the waste matrix, wherein the waste matrix driver comprises two drive rollers positioned against a first side of the waste matrix and a drive roller positioned against a second side of the waste matrix.  
     
     
       24. A waste matrix handling system for driving a waste matrix separated from a moving web comprising: 
       a waste matrix driver for driving the waste, wherein the waste matrix driver comprises a plurality of rotating balls positioned against a first side of the waste matrix and a drive roller positioned against a second side of the waste matrix.  
     
     
       25. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web, the skewed angle being greater than 45 degrees.  
     
     
       26. The stripper according to  claim 25 , wherein the waste matrix is peeled about an exterior surface of the waste matrix peeler. 
     
     
       27. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of the travel of the web; and  
       a waste matrix guide member positioned adjacent the web, the waste matrix traveling over the waste matrix guide member after traveling over the waste matrix peeler,  
       one and only one of the waste matrix peeler and the waste matrix guide member being pivotable.  
     
     
       28. The stripper according to  claim 27 , wherein the waste matrix peeler is pivotable about an end distal from the waste matrix guide member. 
     
     
       29. A stripper for separating a waste matrix from a moving web, the stripper comprising: 
       a waste matrix peeler positioned at a skewed angle to the direction of travel of the web;  
       a waste take-up device for rolling the waste matrix into a roll; and  
       a drive roller for rotating the waste take-up device, the drive roller being in contact with the waste matrix rolled about the waste take-up device.